I. adjective
Etymology: Middle English sething, from present participle of sethen to seethe
1. : intensely hot : boiling
a lamp drawn up into the scenery started a blaze, which soon became a seething inferno — American Guide Series: Virginia
2.
a. : in constant motion or activity : agitated
the seething life that goes on in those brown bamboo and mat huts — Robert Payne
lovers and madmen have such seething brains — Shakespeare
b. : intense , violent
had a seething contempt for mankind — Gordon Merrick
• seeth·ing·ly adverb
II. adverb
: boiling
seething hot